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asambeis [7]
3 years ago
7

A tree is 2 1/2 1/2 feet tall. how tall will it be in 3 years if it grows 1/4 1/4 foot each year? which method will not give the

correct number of feet?
Mathematics
1 answer:
polet [3.4K]3 years ago
5 0
I'm not very sure but I think its 3 1/4
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Please help me with this question
wel
If I could get more context then that would help. Because an exponent being an odd number doesn’t do anything, so it could be either a negative or a positive
4 0
3 years ago
Find the value of r (5,9) (r,7) m=-4
jolli1 [7]

Answer:

r = 11/2

Step-by-step explanation:

m = slope

slope, m = (y2 - y1)/(x2 - x1)

-4 = (7 - 9)/(r - 5)

cross multiply

-4(r - 5) = 7 - 9

clearing brackets

-4r + 20 = -2

-4r = -22

r = 22/4 = 11/2

6 0
3 years ago
Find the value of x such that the data set 31.7, 42.8, 26.4, and x has a mean of 35.
Travka [436]

Answer:

x = 39.1

Step-by-step explanation:

To find the mean, add up all the data points and then divide by the number of data points

(31.7+ 42.8+ 26.4+ x)/4 = 35

Multiply each side by 4

(31.7+ 42.8+ 26.4+ x)/4*4 = 35*4

(31.7+ 42.8+ 26.4+ x) = 140

Combine like terms

100.9+x = 140

Subtract 100.9 from each side

x = 140-100.9

x = 39.1

5 0
3 years ago
Can you guys help me with that ?
aleksley [76]
The shirts are 12.75 for 3 so we can write a ratio of \frac{12.75}{3} To get the price of the shirts, one needs to divide \frac{12.75}{3} , which will tells use what the unit price is per shirt. The price per shirt is $4.25
6 0
3 years ago
2. Next she needs to find her maximum heart rate m by subtracting her age a from 220. Write an
Travka [436]

Answer:

220 - a = m

Step-by-step explanation:

a is her age

7 0
3 years ago
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